[A] Now Boussod, Valadon et Cie.
[B] British Journal Almanac, 1874.
[C] Reversed as regards right and left.
[D] N. B.—During cold weather use only half the quantity of Chrome Alum in above.
Merck's Pyrogallic Acid
will be found, upon comparison, to be superior in every respect to all other brands on the market. Its distinctive points of superiority are:
1ST.—ABSOLUTE PURITY
2D.—PERFECT CRYSTALLIZATION